“Bones” shocked fans all over the world when the Fox series revealed who might be the serial killer known as The Puppeteer in the Season 11 finale. In the final moments of episode 22, Dr. Temperance Brennan was kidnapped by none other than her former assistant, Zack Addy. The last time we saw the brilliant assistant was when he was transferred to a psychiatric hospital for collaborating with cannibalistic serial killer Gormogon.